[El-errata] ELSA-2026-64787-0 Moderate: Oracle Linux 10 xz security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2026-64787-0

http://linux.oracle.com/errata/ELSA-2026-64787-0.html

The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

x86_64:
xz-5.6.2-4.el10_2.1.x86_64.rpm
xz-devel-5.6.2-4.el10_2.1.x86_64.rpm
xz-libs-5.6.2-4.el10_2.1.x86_64.rpm
xz-lzma-compat-5.6.2-4.el10_2.1.x86_64.rpm

aarch64:
xz-5.6.2-4.el10_2.1.aarch64.rpm
xz-devel-5.6.2-4.el10_2.1.aarch64.rpm
xz-libs-5.6.2-4.el10_2.1.aarch64.rpm
xz-lzma-compat-5.6.2-4.el10_2.1.aarch64.rpm


SRPMS:
http://oss.oracle.com/ol10/SRPMS-updates/xz-5.6.2-4.el10_2.1.src.rpm

Related CVEs:

CVE-2026-34743




Description of changes:

[1:5.6.2-4.1]
- Fix: a buffer overflow in lzma_index_append()
- Add test for the issue above (needs a special build config to actually fail -> does not fail in our environemnt)
- Resolves: CVE-2026-34743